{"id":"CVE-2026-74877","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-74877","summary":"openssl_encrypt versions before 1.4.0 contain a missing ownership verification vulnerability in the revoke_key method that allows authenticated clients to revoke any other client's…","details":"openssl_encrypt versions before 1.4.0 contain a missing ownership verification vulnerability in the revoke_key method that allows authenticated clients to revoke any other client's key. Attackers can revoke arbitrary keys by providing a valid ML-DSA signature, bypassing the intended ownership restriction.","published":"2026-08-17T11:16:42.203","modified":"2026-08-17T11:16:42.203","cvss":{"score":8.8,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":null,"references":[{"type":"WEB","url":"https://github.com/jahlives/openssl_encrypt/security/advisories/GHSA-hvc7-763r-4f3h"},{"type":"WEB","url":"https://www.vulncheck.com/advisories/openssl-encrypt-before-missing-ownership-verification-via-revoke-key"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-08-17T11:16:42.203"}}